JPS63111917A - Air cleaner and air cleaning method - Google Patents
Air cleaner and air cleaning methodInfo
- Publication number
- JPS63111917A JPS63111917A JP61259351A JP25935186A JPS63111917A JP S63111917 A JPS63111917 A JP S63111917A JP 61259351 A JP61259351 A JP 61259351A JP 25935186 A JP25935186 A JP 25935186A JP S63111917 A JPS63111917 A JP S63111917A
- Authority
- JP
- Japan
- Prior art keywords
- air
- adsorbent
- ozone
- flow path
- fan
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims description 7
- 238000004140 cleaning Methods 0.000 title claims description 3
- 239000003463 adsorbent Substances 0.000 claims abstract description 36
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims description 30
- 238000001179 sorption measurement Methods 0.000 abstract description 14
- 238000011144 upstream manufacturing Methods 0.000 abstract 1
- 239000010457 zeolite Substances 0.000 description 15
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 14
- 229910021536 Zeolite Inorganic materials 0.000 description 12
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 12
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 9
- 239000007789 gas Substances 0.000 description 8
- 239000000126 substance Substances 0.000 description 6
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000010436 fluorite Substances 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 238000004887 air purification Methods 0.000 description 3
- 229910021529 ammonia Inorganic materials 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229910001583 allophane Inorganic materials 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
- 241000894006 Bacteria Species 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- VTLYFUHAOXGGBS-UHFFFAOYSA-N Fe3+ Chemical compound [Fe+3] VTLYFUHAOXGGBS-UHFFFAOYSA-N 0.000 description 1
- 229910021578 Iron(III) chloride Inorganic materials 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 244000062793 Sorghum vulgare Species 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 241000700605 Viruses Species 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000000440 bentonite Substances 0.000 description 1
- 229910000278 bentonite Inorganic materials 0.000 description 1
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 235000019713 millet Nutrition 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 238000007348 radical reaction Methods 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
Landscapes
- Separation Of Gases By Adsorption (AREA)
Abstract
Description
【発明の詳細な説明】
［産業上の利用分野］
本発明は、空気中に含まれるチッ素系ガス、イオウ系ガ
ス、あるいは炭酸ガスや一酸化炭素等の各種ガス成分を
浄化する空気清浄機および空気清浄方法に関するもので
ある。[Detailed Description of the Invention] [Field of Industrial Application] The present invention relates to an air purifier that purifies various gas components such as nitrogen gas, sulfur gas, carbon dioxide gas, and carbon monoxide contained in the air. and air purification methods.
［従来技術及び発明が解決しようとする問題点］従来、
この種の空気清浄機のなかには、ゼオライトや活性炭等
の物質を吸着剤として使用して空気の浄化を行うように
したものがある。しかるに従粟、活性炭は、適当な温度
雰囲気下におし）て熱処理したもの、あるいは適当な薬
剤処理をしたものをそのまま使用しているのが実情であ
って、吸着剤自身に各別の活性化を計ることはせず、こ
のため吸着剤の寿命が短く、頻繁に交換をしなければな
らない詐りでなく、吸着能力も劣る等の欠点があり問題
になっている。[Prior art and problems to be solved by the invention] Conventionally,
Some air purifiers of this type use substances such as zeolite and activated carbon as adsorbents to purify the air. However, the reality is that millet and activated carbon are used as they are after being heat-treated (at an appropriate temperature and atmosphere) or treated with an appropriate chemical, and the adsorbent itself has different activation properties. Therefore, the life of the adsorbent is short, it has to be replaced frequently, and the adsorption capacity is also poor, which has become a problem.
［問題を解決するための手段］
本発明は、上記の如き実情に鑑みこれらの欠点を一掃す
ることができる空気清浄機および空気清浄方法を提供す
ることを目的として創案されたものである。[Means for Solving the Problems] The present invention was devised in view of the above-mentioned circumstances with the aim of providing an air cleaner and an air purifying method that can eliminate these drawbacks.
そして第一の発明は、ファンによる強制的な空気流路が
形成された空気清浄機において、前記空気流路の上手側
にオゾン発生機が配され、下手側に吸着剤層が配されて
いることを特徴とするものである。The first invention is an air purifier in which a forced air flow path is formed by a fan, in which an ozone generator is arranged on the upper side of the air flow path, and an adsorbent layer is arranged on the lower side. It is characterized by this.
また第二の発明は、空気中のガス成分を吸着剤を用いて
処理するに、吸着剤はオゾン処理されていることを特徴
とするものである。A second invention is characterized in that when gas components in the air are treated using an adsorbent, the adsorbent is treated with ozone.
そして本発明は、この構成によって、吸着剤のオゾンに
よる活性化が計れて、吸着効率が良くしかも長時間に亘
って優れた吸着性を発揮することができる様にしたもの
である。According to the present invention, with this configuration, the adsorbent can be activated by ozone, resulting in high adsorption efficiency and excellent adsorption properties over a long period of time.
本発明に使用される吸着剤としては、天然ゼオライト、
人工ゼオライト、アルミナ、シリカゲル、アロフェン、
粘土等のアルミナ、あるいはシリカ系の吸着剤、さらに
は活性炭、カリウム系のもの、カルシウム系のもの、鉄
系のもの等、通常知られた吸着剤の何れについても、こ
れらを単独、若しくは複合して使用することができ、さ
らにこれら吸着剤を第二鉄等の適宜薬剤によって処理し
たものを単独若しくは混合して用いることができる。Adsorbents used in the present invention include natural zeolite,
Artificial zeolite, alumina, silica gel, allophane,
Any of the commonly known adsorbents such as alumina such as clay, silica-based adsorbents, activated carbon, potassium-based ones, calcium-based ones, iron-based ones, etc., can be used singly or in combination. Furthermore, these adsorbents treated with appropriate chemicals such as ferric iron can be used alone or in combination.
そして前記天然ゼオライトのなかには、例えばシャブチ
ロールフッ５２干ルデンフツ石、ホウフッ石等のものが
あり、また人工ゼオライトのなかには、ゼオライトＡ、
ゼオライトＸ、ゼオライトＹ、ゼオライトＺＳＭ−５等
のものがある。Among the natural zeolites, there are, for example, shabtilol fluorite, borofluorite, etc., and among the artificial zeolites, there are zeolite A, borofluorite, etc.
Examples include zeolite X, zeolite Y, and zeolite ZSM-5.
またオゾン発生機としては、紫外線発生機によるもの、
アーク放電によるもの等、種々のものを使用することが
できる。そしてゼオライトのオゾン処理としては、吸着
剤をオゾン雰囲気下に晒したものを使用しても良く、さ
らにはオゾンが吸着剤に常時供給されることによって成
されるようにしても良いものである。In addition, as an ozone generator, one using an ultraviolet generator,
Various methods can be used, such as those using arc discharge. The ozone treatment of zeolite may be performed by exposing an adsorbent to an ozone atmosphere, or by constantly supplying ozone to the adsorbent.
［実施例］
次に、本発明の一実施例を図面に基づいて説明する。図
面において、１は空気清浄機の本体であって、該清浄機
１は、下側に空気流入口２が、また上側に空気流出口３
がそれぞれ開設されていて。[Example] Next, an example of the present invention will be described based on the drawings. In the drawing, 1 is the main body of the air cleaner, and the cleaner 1 has an air inlet 2 on the lower side and an air outlet 3 on the upper side.
have been established respectively.
清浄機１内に下側から上方に流れる空気流路が形成され
ている。そして空気流路は、上、中、下の二部屋に区画
され、下側の部屋Ｘ（流路上手側）には実施例では紫外
線ランプ４ａの点灯によって空気中の酸素（ｏ２）をオ
ゾン（０３）に変換するオゾン発生機４が配設されてい
て、空気流入口２より流入した空気中にオゾンを生成す
る様になっている。一方、中央の部屋Ｙ（流路上手側）
には吸着剤が充填されたフィルター（吸着剤Ｎ）６が設
けられていて、前記オゾン生成が成された空気中のガス
成分の吸着作用をするようになっている。An air flow path is formed in the cleaner 1 that flows from the bottom to the top. The air flow path is divided into two rooms: upper, middle, and lower. In the lower room An ozone generator 4 for converting the air into air (03) is installed to generate ozone in the air flowing in from the air inlet 2. On the other hand, the center room Y (on the upper side of the flow)
A filter (adsorbent N) 6 filled with an adsorbent is provided to adsorb gas components in the air in which the ozone has been generated.
また上側の部屋Ｚにはファン７が設けられていて、清浄
機１内の空気を流出口３側に向けて送風する様になって
いる。Further, a fan 7 is provided in the upper room Z to blow the air inside the cleaner 1 toward the outlet 3 side.
そしてファン７の駆動によって流入口２から浸入した空
気は、流出口３に至るまでの間に、先ずオゾン発生機４
によってオゾン生成が成され１次いで吸着剤によるガス
吸着処理が成されることによって清浄化されて流出口３
から機外に排出されるようになっている。The air that enters from the inlet 2 due to the drive of the fan 7 first passes through the ozone generator 4 before reaching the outlet 3.
Ozone is generated by this process, and then gas adsorption treatment is performed using an adsorbent to clean the outlet port 3.
It is designed to be ejected from the aircraft.
次に、オゾン処理された吸着剤の吸着性能について検討
する。Next, we will examine the adsorption performance of the ozonated adsorbent.
ここで吸着剤は次のＡ−Ｃの三種類ゼオライトと活性炭
を用意した。そしてゼオライトは、大きさを伺わも５ｍ
ｍ程度の粒状にした後、以下に示す前処理をしたものを
用い、また活性炭については市販のものをそのまま用い
て測定した。Here, the following three types of zeolites A to C and activated carbon were prepared as adsorbents. And the size of the zeolite is 5m.
Measurements were made using activated carbon that had been pulverized into particles of approximately 300 m in size and pretreated as shown below, and commercially available activated carbon as it was.
前記ゼオライトＡについては、天然ゼオライトであるシ
ャブチロールフッ石を約４００℃で２時間焼成して作成
する。Zeolite A is produced by calcining shabtilol fluorite, which is a natural zeolite, at about 400° C. for 2 hours.
またゼオライトＢについては、それぞれシャブチロール
フッ石７０部、アロフェン１５部、ベントナイト１５部
を混合したものを、約３００℃で２時間焼成して作成す
る。Zeolite B is prepared by baking a mixture of 70 parts of shabtilol fluorite, 15 parts of allophane, and 15 parts of bentonite at about 300° C. for 2 hours.
ゼオライトＣは、シャブチロールフッ石を塩化第二鉄の
０．３％水溶液中に１２時間含浸させたものを約４００
℃で２時間焼成して作成する。Zeolite C is made by impregnating shabtylol fluorite in a 0.3% aqueous solution of ferric chloride for 12 hours.
Create by baking at ℃ for 2 hours.
そして次にこれらの吸着剤を用いてアンモニア（Ｎ Ｈ
３）の吸着量を実際に測定する。その場合に、前記ゼオ
ライトＡ−Ｃおよび活性炭のオゾン処理は、オゾン発生
機４を連続作動させたオゾン雰囲気下中に７時間晒すこ
とによって行い、オゾン処理をしないものとの比較でア
ンモニアガスの吸着量を算出し、その結果を表に示す。These adsorbents are then used to absorb ammonia (NH
3) Actually measure the amount of adsorption. In that case, the ozone treatment of the zeolite A-C and activated carbon is performed by exposing the ozone generator 4 to an ozone atmosphere for 7 hours in continuous operation. The amount is calculated and the results are shown in the table.
測定方法としては、吸着剤の約１ｇを正確に秤量して３
Ｑの三角フラスコに入れ、ここに一定量のアンモニアガ
スを充填し、３０分後、６０分後並びに５時間後のそれ
ぞれの残存アンモニアガスのガス量を検知管を使用して
測定し、吸着剤１ｇに対するアンモニア吸着量（ｍＱ／
ｇ）を算出する。この場合に、三角フラスコにおける吸
着等の自然ガス減衰量を空試験として求め、その分を補
正して実際の吸着量を補正吸着量（ｄ／ｇ）として算出
した。The measurement method is to accurately weigh approximately 1 g of adsorbent and
Q Erlenmeyer flask is filled with a certain amount of ammonia gas, and the amount of residual ammonia gas is measured using a detection tube after 30 minutes, 60 minutes, and 5 hours. Ammonia adsorption amount per 1g (mQ/
g) Calculate. In this case, the natural gas attenuation amount due to adsorption in the Erlenmeyer flask was determined as a blank test, and the amount was corrected to calculate the actual adsorption amount as the corrected adsorption amount (d/g).
表−１
この結果から判断して、吸着剤をオゾン処理した場合と
しない場合とでは、何れもオゾン処理をしたものの方が
アンモニアの吸着量が増大していることが明らかである
。これはオゾンは極めて反応性が高く、かつ酸素に分解
する際にラジカル反応を成すことも影響して、吸着剤は
、オゾン処理されることによって吸着面が活性化され、
これによってアンモニアガスがオゾン処理しないものに
比して効率良く吸着されたものであると推論され。Table 1 Judging from the results, it is clear that the amount of ammonia adsorbed is greater when the adsorbent is ozone-treated and when it is not. This is due to the fact that ozone is extremely reactive and undergoes a radical reaction when decomposed into oxygen, so the adsorption surface of the adsorbent is activated by ozone treatment.
From this, it was inferred that ammonia gas was adsorbed more efficiently than in those not treated with ozone.
本発明が如何に有用であるかを意味していることになる
。This means how useful the present invention is.
そして本発明の空気清浄機において、これを実施した場
合に、吸着剤層は、流路下手側に配したオゾン発生機に
よって常時オゾン雰囲気下に晒された状態となっている
。このため、吸着剤は常にオゾンによって活性化された
状態に維持されて、長期に亘って優れた吸着性を発揮す
ることができる。しかもオゾン自身は、殺菌作用を有し
ているため、連続供給かあるいは間欠的な供給によって
細菌やウィルス等を殺すことができる。さらにはオゾン
は、反応性が高く長い分子物質を短かい分子物質に分解
する性質を有しているため、空気中の長い分子のガス成
分がオゾンによって短分子化され、これが吸着剤層に吸
着されるという効果も合せ奏するものと考えられ、従来
、吸着剤では大きすぎて吸着されないような物質の吸着
も可能となって、極めて優れた空気清浄作用を呈するこ
ととなる。When this is carried out in the air cleaner of the present invention, the adsorbent layer is constantly exposed to an ozone atmosphere by the ozone generator placed on the downstream side of the flow path. Therefore, the adsorbent is always maintained in a state activated by ozone and can exhibit excellent adsorption properties over a long period of time. Moreover, since ozone itself has a bactericidal effect, it can kill bacteria, viruses, etc. by continuous or intermittent supply. Furthermore, ozone has the property of being highly reactive and decomposing long molecular substances into short molecular substances, so the long molecular gas components in the air are shortened by ozone, and these are adsorbed by the adsorbent layer. It is thought that this also has the effect of reducing the amount of air absorbed by the air, making it possible to adsorb substances that are too large to be adsorbed by conventional adsorbents, resulting in an extremely excellent air purifying effect.
［作用効果］
以上要するに、本発明は叙述の如く構成されたものであ
るから、空気清浄化に使用される吸着剤は、オゾン処理
されることによってその吸着性能が活性化されることと
なり、この結果、オゾン処理をしない従来の吸着剤を使
用したものに比してガス吸着量が確実に増大し、もって
極めて優れた空気浄化作用を奏し得ることとなる。[Operation and Effect] In summary, since the present invention is configured as described above, the adsorption performance of the adsorbent used for air purification is activated by ozone treatment, and this As a result, the amount of gas adsorbed is reliably increased compared to those using conventional adsorbents that are not subjected to ozone treatment, resulting in an extremely excellent air purification effect.
図面は、本発明に係る空気清浄機および空気清浄方法の
実施例を示したものであって、第１図は空気清浄機の断
面斜視図、第２図はその回路図である。
図中、１は空気清浄機、２は流入口、３は流出口、４は
オゾン発生機、６は吸着剤層、７はファンである。The drawings show an embodiment of an air cleaner and an air cleaning method according to the present invention, and FIG. 1 is a cross-sectional perspective view of the air cleaner, and FIG. 2 is a circuit diagram thereof. In the figure, 1 is an air cleaner, 2 is an inlet, 3 is an outlet, 4 is an ozone generator, 6 is an adsorbent layer, and 7 is a fan.
Claims (1)
浄機において、前記空気流路の上手側にオゾン発生機が
配され、下手側に吸着剤層が配されていることを特徴と
する空気清浄機。 ２）空気中のガス成分を吸着剤を用いて処理するに、吸
着剤はオゾン処理されていることを特徴とする空気清浄
方法。[Claims] 1) In an air purifier in which a forced air flow path is formed by a fan, an ozone generator is arranged on the upper side of the air flow path, and an adsorbent layer is arranged on the lower side. An air purifier characterized by: 2) An air cleaning method characterized in that gas components in the air are treated using an adsorbent, and the adsorbent is treated with ozone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61259351A JPS63111917A (en) | 1986-10-30 | 1986-10-30 | Air cleaner and air cleaning method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61259351A JPS63111917A (en) | 1986-10-30 | 1986-10-30 | Air cleaner and air cleaning method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63111917A true JPS63111917A (en) | 1988-05-17 |
Family
ID=17332902
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61259351A Pending JPS63111917A (en) | 1986-10-30 | 1986-10-30 | Air cleaner and air cleaning method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63111917A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007315626A (en) * | 2006-05-23 | 2007-12-06 | Mitsubishi Heavy Ind Ltd | Air conditioner |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5365282A (en) * | 1976-11-25 | 1978-06-10 | Fusahiko Osanai | Active carbon activating method |
| JPS56115614A (en) * | 1980-02-20 | 1981-09-10 | Mitsubishi Electric Corp | Air cleaner |
-
1986
- 1986-10-30 JP JP61259351A patent/JPS63111917A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5365282A (en) * | 1976-11-25 | 1978-06-10 | Fusahiko Osanai | Active carbon activating method |
| JPS56115614A (en) * | 1980-02-20 | 1981-09-10 | Mitsubishi Electric Corp | Air cleaner |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007315626A (en) * | 2006-05-23 | 2007-12-06 | Mitsubishi Heavy Ind Ltd | Air conditioner |
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